You are looking for a file named something like update.zip (for recovery flashing) or a .tgz / .tar.md5 file (for Odin or Fastboot).
There are three primary ways to get this firmware today. Do not trust random "update downloader" apps from third-party app stores. Many contain malware designed to exploit outdated security patches.
Installing a 4.1.1 update via download will wipe all internal storage. Ensure your photos and contacts are backed up elsewhere.
What is the of your device? (Found in Settings > About Phone) Do you have a Windows, Mac, or Linux computer available?
Q: What is the difference between Android 4.1 Jelly Bean and Android 4.1.1 Jelly Bean? A: Android 4.1.1 Jelly Bean is a minor update to Android 4.1 Jelly Bean, primarily focused on bug fixes and performance enhancements.
Android 4.1.1 Jelly Bean is a vintage version of Android, first released in
The was officially rolled out to devices like:
If your device never got official Jelly Bean, developers built custom ROMs like (the precursor to LineageOS). These are smoother than stock but require an unlocked bootloader.
If you'd like to move forward with the installation, let me know:
